diff --git a/code/modules/reagents/reagent_containers/syringes.dm b/code/modules/reagents/reagent_containers/syringes.dm
index b91e66e6da..94170adcda 100644
--- a/code/modules/reagents/reagent_containers/syringes.dm
+++ b/code/modules/reagents/reagent_containers/syringes.dm
@@ -171,8 +171,6 @@
 					to_chat(user, "<span class='danger'>You cannot inject a robotic limb.</span>")
 					return
 
-			var/warmup_time = 0 //None if we're using this on ourselves.
-			var/cycle_time = injtime*0.33 //33% of the time slept between 5u doses
 			var/warmup_time = 0	//0 for containers
 			if(ismob(target))
 				warmup_time = cycle_time //If the target is another mob, this gets overwritten